Denshi Jisho — Online Japanese dictionary

おう 1: king; ruler; sovereign; monarch;
2: king (for senior player) (shogi)
Common word, Noun, Noun suffix 
おう old man; venerable
Common word, Noun 
たか falcon (Falconidae family); hawk
Common word, Noun 
おう huang (female Chinese firebird)
Noun 
おう concave; hollow; sunken
Prefix 
おう middle; centre; center
Suffix 
おう 1: agreement; affirmative;
2: (Interjection) aye; yes; OK; okay; yeah; all right
Noun 
負う おう 1: to bear; to carry on one's back;
2: to take responsibility for; to accept a duty;
3: to be injured;
4: to owe
Common word, Godan verb with u ending, Transitive verb 
追う おう 1: to chase; to run after; to pursue;
2: to follow (i.e. a set order, a trend);
3: to drive out; to oust; to expel;
4: to drive (i.e. a herd);
5: (in passive voice) to be pressed (for time, etc.)
Common word, Godan verb with u ending, Transitive verb 
合う おう 1: to come together; to merge; to unite; to meet;
2: to fit; to match; to suit; to agree with; to be correct;
3: to be profitable; to be equitable;
4: () (after the -masu stem of a verb) to do ... to each other; to do ... together
Irregular kana usage, Godan verb with u ending, Intransitive verb 
生う おう 1: (Archaism) to grow; to spring up;
2: to cut (teeth)
Godan verb with u ending 
逐う おう 1: to chase; to run after; to pursue;
2: to follow (i.e. a set order, a trend);
3: to drive out; to oust; to expel;
4: to drive (i.e. a herd);
5: (in passive voice) to be pressed (for time, etc.)
Godan verb with u ending, Transitive verb 
オウ (large) parrot (inc. the cockatoo)
Noun, Usually written using kana alone 
おう folding fan
Common word, Noun 
おう 1: muteness; speech impairment;
2: (Sensitive) mute; deaf-mute
Out-dated or obsolete kana, Noun 
おう Obito (hereditary title, often given to powerful regional families)
Noun, Archaism 
おう elderly woman
Noun 
おう elderly woman
Noun 
王位 おう the throne; the crown
Common word, Noun 
桜花 おう cherry blossom
Common word, Noun 
王座 おう throne
Common word, Noun 
王子 おう prince
Common word, Noun 
殴打 おう hit; strike; blow
Common word, Noun, Suru verb 
奥地 おう interior; backwoods; hinterland; back regions
Common word, Noun, No-adjective 
王手 おう checkmate; check
Common word, Noun 
王妃 おう queen
Common word, Noun 

Found 506 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

You can also

Look up kanji details for 鷹 おう.

Try a Yahoo Jisho search for 鷹 おう .
Try a Goo Jisho search for 鷹 おう .
Try a Google search for 鷹 おう .